Wasitora, Nekoru Queen

Oracle Text

Whenever Wasitora, Nekoru Queen deals combat damage to a player, that player sacrifices a creature. If the player can't, you create a 3/3 black, red, and green Cat Dragon creature token with flying.

Card Rulings

8/25/2017 If a creature is dealt lethal combat damage at the same time that Wasitora deals combat damage to that creature’s controller, that creature will be destroyed before that player chooses a creature to sacrifice.